Yocto Technical Team Minutes, Engineering Sync, for Mar 9, 2021
archive:
https://docs.google.com/document/d/1ly8nyhO14kDNnFcW2QskANXW3ZT7QwKC5wWVDg9dDH4/edit
== disclaimer ==
Best efforts are made to ensure the below is accurate and valid. However,
errors sometimes happen. If any errors or omissions are found, please feel
free to reply to this email with any corrections.
== attendees ==
Trevor Woerner, Stephen Jolley, Alexandre Belloni, Armin Kuster, Steve
Sakoman, Joshua Watt, Jan-Simon Möller, Richard Purdie, Paul Barker, John
Kaldas, Jon Mason, Michael Halstead, Randy MacLeod, sakib.sajal, Saul Wold,
Scott Murray, Tim Orling, Ross Burton
== notes ==
- -m3 not yet built
- rust deferred to 3.4
- reproducibility is good
== general ==
RP: side-tracked with a run-queue bug (in bitbake), good to have it resolved
RP: there was also a bitbake logging fix which was why we couldn’t get logs
for some things
RP: wrt to the regression we saw last week (long initial parsing time)
haven’t confirmed or looked into it, but am quite sure I know which
patch caused it (multiconfig)
Randy: Sakib and I have developed a tool to help with some AB intermittent
issues. looked at the dmesg output of one builder and saw that it was
unable to schedule for 120s.
RP: it might be tricky to write one script that will work on all systems (e.g.
on some dmesg requires root)
RP: AB-helper might be useful too. it could be that disk cache wiping might be
an issue
MichaelH: only some of the workers have that at this point
RP: could you give us a list of which workers have that enabled? maybe we will
see a correlation
MichaelH: sure
PaulB: pr-serv changes going into the next release
RP: yes, i was under the impression we’d need a bit more time for it
PaulB: yes, i’m not 100% available at the moment
RP: no problem, it’ll reduce the pressure
PaulB: agreed, getting it in too close to the release could be risky
RP: i’m looking at removing a bunch of code related to dynamic hashing.
i’m pretty sure it’s not being used anymore, but need to double-check
it
RP: there are ~6 reproducibility issues, have patches for them (submitted
upstream) including:
- ignoring the Go issue
- i think Bruce is close to getting perf working
- meson python compiled header issue
- ovmf hard-coded path issue (Ross is looking into it) strange build
system (edk2)
- ruby-docs
Randy: there’s a valgrind release in the works, but we can wait for it
Ross: there’s grub as well (CVEs)
RP: do we have any timeline?
Randy: upstream says “…in a matter of days…” 8 days ago
RP: i won’t block -m3 on it
RP: would prefer to not upgrade valgrind too close to a release (history of
causing ptest issues)
AlexB: are the ptest issues performance-related?
RP: not necessarily, just that we often get issues
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